Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

The Swing Equation01:21

The Swing Equation

1.6K
The Swing Equation is a fundamental tool in power system dynamics, especially for analyzing the behavior of generating units like three-phase synchronous generators. This equation emerges from applying Newton's second law to the rotor of a generator, encompassing factors such as inertia, angular acceleration, and the interplay between mechanical and electrical torques.
In a steady-state operation, the mechanical torque (Τm) supplied to the generator is balanced by the electrical torque...
1.6K
Moment-of-Momentum Equation01:09

Moment-of-Momentum Equation

575
The moment-of-momentum equation is a critical tool for analyzing the torque produced by the rotating blades of a wind turbine. This equation is derived by applying Newton's second law to a fluid particle, which states that the rate of change of linear momentum is equal to the external force acting on the particle.
575
Turbine-Governor Control01:17

Turbine-Governor Control

1.3K
Turbine-governor control is crucial for maintaining power system stability by balancing turbine mechanical power output with electrical load demand. This mechanism ensures that generator frequency and rotor speed are within acceptable limits during load variations. Turbine-generator units store kinetic energy due to their rotating masses; this energy is released to meet the load requirement when the load increases. The electrical torque of turbines rises to meet the demand, whereas the...
1.3K
Wind Turbine Machine Models01:24

Wind Turbine Machine Models

794
In the growing field of wind energy, incorporating wind turbine models into transient stability analysis is essential. Induction and synchronous machines are the primary models used, with induction machines being prevalent due to their simplicity and reliability.
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
794
Types of Damping01:20

Types of Damping

6.6K
If the amount of damping in a system is gradually increased, the period and frequency start to become affected because damping opposes, and hence slows, the back and forth motion (the net force is smaller in both directions). If there is a very large amount of damping, the system does not even oscillate; instead, it slowly moves toward equilibrium. In brief, an overdamped system moves slowly towards equilibrium, whereas an underdamped system moves quickly to equilibrium but will oscillate about...
6.6K
Node Analysis for AC Circuits01:14

Node Analysis for AC Circuits

803
Consider an angioplasty system featuring a catheter equipped with a turbine, a critical tool for removing plaque deposits from coronary arteries. This intricate medical device operates using a circuit model reminiscent of a dual-node RLC circuit powered by a current-controlled voltage source.
To unravel the complexities of this system, nodal analysis is employed, a powerful technique founded on Kirchhoff's current law (KCL), which remains valid for phasors. AC circuits can effectively be...
803

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Decay of the distance autocorrelation and Lyapunov exponents.

Physical review. E·2019
Same author

Controlling ratchet transport via a finite kicked environment.

Physical review. E·2017
Same author

Dissipative dynamics in a finite chaotic environment: Relationship between damping rate and Lyapunov exponent.

Physical review. E, Statistical, nonlinear, and soft matter physics·2015
Same author

Characterizing weak chaos using time series of Lyapunov exponents.

Physical review. E, Statistical, nonlinear, and soft matter physics·2015
Same author

Quantum-classical transition and quantum activation of ratchet currents in the parameter space.

Physical review. E, Statistical, nonlinear, and soft matter physics·2015
Same author

Hierarchy of stochastic pure states for open quantum system dynamics.

Physical review letters·2014

Related Experiment Video

Updated: Apr 29, 2026

Uncoupling Coriolis Force and Rotating Buoyancy Effects on Full-Field Heat Transfer Properties of a Rotating Channel
10:03

Uncoupling Coriolis Force and Rotating Buoyancy Effects on Full-Field Heat Transfer Properties of a Rotating Channel

Published on: October 5, 2018

7.5K

Finite kicked environments and the fluctuation-dissipation relation.

S A Abdulack1, W T Strunz2, M W Beims3

  • 1Departamento de Física, Universidade Federal do Paraná, 81531-980 Curitiba, Brazil and Institut für Theoretische Physik, Technische Universität Dresden, D-01069 Dresden, Germany.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|May 16, 2014
PubMed
Summary

This study introduces a generalized map for systems interacting with a kicked environment, revealing non-Markovian dynamics and unusual fluctuation-dissipation relations for quantum systems and Brownian motion.

More Related Videos

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
06:45

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Published on: October 28, 2022

1.7K
Experimental Investigation of the Flow Structure over a Delta Wing Via Flow Visualization Methods
09:17

Experimental Investigation of the Flow Structure over a Delta Wing Via Flow Visualization Methods

Published on: April 23, 2018

10.2K

Related Experiment Videos

Last Updated: Apr 29, 2026

Uncoupling Coriolis Force and Rotating Buoyancy Effects on Full-Field Heat Transfer Properties of a Rotating Channel
10:03

Uncoupling Coriolis Force and Rotating Buoyancy Effects on Full-Field Heat Transfer Properties of a Rotating Channel

Published on: October 5, 2018

7.5K
Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
06:45

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Published on: October 28, 2022

1.7K
Experimental Investigation of the Flow Structure over a Delta Wing Via Flow Visualization Methods
09:17

Experimental Investigation of the Flow Structure over a Delta Wing Via Flow Visualization Methods

Published on: April 23, 2018

10.2K

Area of Science:

  • Quantum mechanics
  • Statistical physics
  • Complex systems

Background:

  • Understanding system-environment interactions is crucial in quantum mechanics and statistical physics.
  • Dissipation and non-Markovian dynamics are key features in open quantum systems.
  • Harmonic oscillators are fundamental models for studying these phenomena.

Purpose of the Study:

  • To derive a generalized map for a system coupled to a finite environment of harmonic oscillators.
  • To investigate the effects of time-dependent dissipation (kicks) on system dynamics.
  • To explore the resulting non-Markovian and fluctuation-dissipation properties.

Main Methods:

  • Derivation of a generalized mapping for the system.
  • Modeling the environment as N uncoupled harmonic oscillators.
  • Introducing dissipation through simultaneous switching of system-environment interaction.
  • Analyzing the generated dynamics and fluctuation-dissipation relations.

Main Results:

  • Kicked environments naturally generate non-Markovian rotated dynamics.
  • The model describes complex couplings involving system position and momentum.
  • An unusual fluctuation-dissipation relation is derived.
  • The motion of a kicked Brownian particle is analyzed as an example.

Conclusions:

  • Kicked environments provide a novel framework for studying open quantum systems.
  • This approach allows for more complex system-environment couplings.
  • The findings offer insights into non-Markovian dynamics and modified fluctuation-dissipation theorems.